H2O

CLEAN HOME RESET
SETMAT 0 12; set material colour
BALL; insert sphere, 'sphere' command is the same
 
TO hydrogen
FD 1 RD 90
SETSCALE 0.1 2 0.1
CAN
RU 90 FD 1
SETSCALE 1 1 1
SETMAT 2 13
BALL
END
 
RU 90 LT 45
hydrogen
HOME
RU 90 RT 45
hydrogen